Base | Representation |
---|---|
bin | 1100111001111… |
… | …1100101101111 |
3 | 10202212010211220 |
4 | 3032133211233 |
5 | 102324143210 |
6 | 5212114423 |
7 | 1225051326 |
oct | 316374557 |
9 | 122763756 |
10 | 54131055 |
11 | 28612510 |
12 | 16165a13 |
13 | b2a3814 |
14 | 72910bd |
15 | 4b43c70 |
hex | 339f96f |
54131055 has 16 divisors (see below), whose sum is σ = 94483584. Its totient is φ = 26245280.
The previous prime is 54131041. The next prime is 54131059. The reversal of 54131055 is 55013145.
It is not a de Polignac number, because 54131055 - 27 = 54130927 is a prime.
It is a super-2 number, since 2×541310552 = 5860342230826050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54131059) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163869 + ... + 164198.
It is an arithmetic number, because the mean of its divisors is an integer number (5905224).
Almost surely, 254131055 is an apocalyptic number.
54131055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
54131055 is a deficient number, since it is larger than the sum of its proper divisors (40352529).
54131055 is a wasteful number, since it uses less digits than its factorization.
54131055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328086.
The product of its (nonzero) digits is 1500, while the sum is 24.
The square root of 54131055 is about 7357.3809878244. The cubic root of 54131055 is about 378.2818437737.
The spelling of 54131055 in words is "fifty-four million, one hundred thirty-one thousand, fifty-five".
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